Texas Porch
Tax Prepayment Practical

Williamson County Offers Monthly Property Tax Prepayments

If the January property tax bill is hard to absorb all at once, Williamson County offers scheduled monthly prepayments. The county pulls a set deposit from a card or bank account and applies it to the tax account.

The plan has rules. The account needs no current or prior balance, an online profile, a valid email address, and a fresh enrollment each year. Deposits run through September, and the remaining tax is still due by January 31.

This is most useful for owners without a mortgage escrow who still want to spread out the bill. Confirm the plan terms, because the final tax amount is not known until the bill is prepared.

Content last revised 2026-07-11

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